On the one hand, there is the “Aesthetics of Number” (comparable to cellular tissue), and on the other hand, the “Architecture of Lively Variety” (the result of user participation in housing).
The concept of an “Aesthetics of Number” (Aldo van Eyck) can also be described as “Spatial Configurations in Architecture”; and the “Architecture of Lively Variety” (N.
Max Risselada and Dirk van den Heuvel, “Team 10 – In Search of a Utopia of the Present”, Rotterdam 2005.
Origins Structuralism in architecture and urban planning had its origins in the Congrès International d’Architecture Moderne (CIAM) after World War II.Outside Team 10, other ideas developed that furthered the Structuralist movement – influenced by the concepts of Louis Kahn in the United States, Kenzo Tange in Japan and N.John Habraken in the Netherlands (with his theory of user participation in housing).It was drawn up as the programme for the International Congress of Architects in Otterlo in 1959.The central aspect of this issue of Forum was a frontal attack on the Dutch representatives of CIAM-Rationalism who were responsible for the reconstruction work after World War II, (for tactical reasons, planners like van Tijen, van Eesteren, Merkelbach and others were not mentioned).